Google LLC
Map data 
2024 Google. Google Maps API
2024 Google. Google Maps API•
Terms of Service: https://cloud.google.com/maps-platform/terms
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License Details: https://developers.google.com/maps/gmp-license
Uber's Hexagonal Hierarchical Spatial Index
Licensed under Apache License 2.0
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Source Code: https://github.com/uber/h3